nrfx_riot.h

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/*
 * SPDX-FileCopyrightText: 2018 Freie Universität Berlin
 * SPDX-FileCopyrightText: 2020 Inria
 * SPDX-FileCopyrightText: 2020 Koen Zandberg <koen@bergzand.net>
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#pragma once
 
#include "kernel_defines.h"
#include "cpu_conf.h"
#include "periph_conf.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
static inline void nrfx_dcdc_init(void)
{
    if (IS_ACTIVE(MODULE_VDD_LC_FILTER_REG1)) {
        NRF_POWER->DCDCEN = 1;
    }
 
#ifdef POWER_DCDCEN0_DCDCEN_Msk
    /* on CPUs that support high voltage power supply via VDDH and thus use a
     * two stage regulator, we also try to enable the DC/DC converter for the
     * first stage */
    if (IS_ACTIVE(MODULE_VDD_LC_FILTER_REG0) &&
        (NRF_POWER->MAINREGSTATUS == POWER_MAINREGSTATUS_MAINREGSTATUS_High)) {
        NRF_POWER->DCDCEN0 = 1;
    }
#endif
}
 
#ifdef __cplusplus
}
#endif